Warning: Vitamin D supplements may do more cognitive harm than good

But doctor, what about the use of it for these reasons? Have them weigh the pros vs. the cons. They are paid to know this stuff.

1.  Vitamin D and inflammatory diseases 

2.  6 Surprising Ways to Reduce Your Parkinson's Risk

3.  Vitamin D, Omega-3 May Help Clear Amyloid Plaques Found in Alzheimer's

4.  Factors contributing to chronic fatigue after traumatic brain injury. 

Scientists Weigh In on Fall Prevention 

5.  Low-Dose Vitamin D Prevents Muscular Atrophy and Reduces Falls and Hip Fractures in Women after Stroke

http://sharpbrains.com/blog/2014/06/04/warning-vitamin-d-supplements-may-do-more-cognitive-harm-than-good/